body {
    background-color: rgb(235, 235, 235);
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: left;
    font-size: 14px;
    font-family: Nunito, sans-serif;
}

section {
    animation: sect .7s;
}

@keyframes sect {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

li {
    list-style: none;
}

div,
span {
    box-sizing: border-box;
}

section {
    display: flex;
}

.lets {
    position: relative;
    z-index: 99;
    display: block;
    background-color: rgb(255, 255, 255);
    min-width: 70px;
    max-width: 70px;
    height: 100vh;
}

.lets ul {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    line-height: 1.5;
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

.lets ul li {
    list-style: none;
}

.lets ul :nth-child(4) {
    flex: 1;
}

.lets ul li a {
    display: block;
    padding: 15px 0;
    font-size: 20px;
    text-align: center;
    color: rgb(163 163 163);
    transition: all .1s;
}

@media screen and (max-width: 728px) {
    .lets ul li a {
        font-size: 14px;
    }
}

.lets ul .gree a {
    color: rgb(41, 197, 104);
}

.lets ul li a:hover {
    color: rgb(41, 197, 104);
}

.lets ul li a .head_portrait {
    background: url(https://w.wallhaven.cc/full/jx/wallhaven-jx88k5.jpg) no-repeat;
    background-size: cover;
    display: block;
    margin: auto;
    width: 50px;
    height: 50px;
    border-radius: 5px;
    border: 1px solid rgb(255 177 177);
    cursor: pointer;
    z-index: 99;
}

.content {
    padding: 30px;
    height: 100vh;
    display: flex;
    flex: 1;
}

.sidebar {
    display: flex;
}

.sidebar-group {
    margin-right: 30px;
    background: #fff;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    width: 330px;
    display: flex;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-group .header {
    display: flex;
    height: 80px;
    padding: 20px;
}

.sidebar-group .header span {
    font-size: 22px;
    text-align: center;
    font-weight: 700;
    line-height: 1.5;
}

.sidebar-group form {
    padding: 10px 20px;
}

.sidebar-group form input {
    display: block;
    width: 100%;
    border-radius: 5px;
    border: none;
    height: auto;
    padding: 10px 15px;
    background-color: #ebebeb;
    outline: none;
    color: #495057;
}

.sidebar-group .group {
    flex: 1;
    overflow: hidden;
}

.sidebar-group .list_group {
    overflow: auto;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.sidebar-group .list_group::-webkit-scrollbar {
    width: 3px;
    display: none;
}

.sidebar-group .list_group:hover::-webkit-scrollbar {
    display: block;
    cursor: pointer;
}

/*滚动条的滑轨背景颜色,可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果。*/
.sidebar-group .list_group::-webkit-scrollbar-track {
    display: none;
}

/* 滑块颜色 */
.sidebar-group .list_group::-webkit-scrollbar-thumb {
    background-color: rgba(177, 177, 177, .5);
    border-radius: 10px;
}

/*滚动条两端的按钮。可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果。*/
.sidebar-group .list_group::-webkit-scrollbar-button {
    display: none;
}

/* 横向滚动条和纵向滚动条相交处尖角的颜色 */
.sidebar-group .list_group::-webkit-scrollbar-corner {
    display: none;
}

.sidebar-group .list_group li {
    padding: 20px;
    display: flex;
    cursor: pointer;
    border-bottom: 1px solid rgba(0, 0, 0, .125);
    transition: all .3s;
}

.sidebar-group .list_group li:hover {
    background: #aeaeae63;
}

.sidebar-group .list_group li .le {
    display: inline-block;
    height: 4rem;
    width: 4rem;
    margin-right: 2rem;
    border-radius: 50%;
}

.sidebar-group .list_group li .le img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.sidebar-group .list_group li .ri {
    width: 22rem;
    float: left;
    text-align: center;
    text-overflow: ellipsis;
}

.sidebar-group .list_group li .ri h5 {
    margin: 0;
    text-align: left;
    text-overflow: ellipsis;
    overflow: hidden;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 0.2rem;
    line-height: 1;
}

.sidebar-group .list_group li .ri p {
    text-align: left;
    white-space: nowrap;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    margin-bottom: 0;
    color: #969696;
}

.chat {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.chat .chat_header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    border-bottom: 2px solid #e1e1e1;
    padding-bottom: 20px;
}

.chat .chat_header .chat_header_user {
    display: flex;
    align-items: center;
}

@media screen and (max-width: 500px) {
    .chat .chat_header .chat_header_user {
        min-width: 280px;
        display: flex;
        align-items: center;
    }
}

.chat .chat_header .chat_header_user span {
    margin-right: 2rem;
    display: inline-block;
    margin-bottom: 0;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    height: 6.4rem;
    width: 6.4rem;
}

.chat .chat_header .chat_header_user span img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.chat .chat_header .chat_header_user div {
    line-height: 1.5;
}

.chat .chat_header .chat_header_user h5 {
    font-weight: 400;
    margin: 0;
    padding: 0;
    font-size: 16px;
    margin-bottom: 0;
    line-height: 1.5;
}

.chat .chat_header .chat_header_user p {
    font-style: italic;
    margin: 0;
    padding: 0;
    color: #6c757d !important;
    font-size: 80%;
    font-weight: 400;
}

.chat .chat_header_reply {
    border: 1px solid rgba(255, 255, 255, .6);
    padding: 4px;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 30px;
    height: 30px;
    position: relative;
    animation: reply .5s;
    display: none;
}

@keyframes reply {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat .chat_header_reply::before {
    content: '';
    background-color: rgba(255, 255, 255, .6);
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    position: absolute;
    z-index: -1;
    transform: skew(-25deg);
    animation: moving 1s linear infinite;
}

@keyframes moving {
    0% {
        left: -20px;
    }

    100% {
        left: 100%;
    }
}

.chat .chat_header .chat_header_action .list_inline {
    display: block;
    list-style: none;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

@media screen and (max-width: 728px) {
    .chat .chat_header .chat_header_action {
        margin-top: 10px;
    }
}

.chat .chat_header .chat_header_action .list_inline .list_item {
    display: inline-block;
    margin: 0 0 0.8rem 0.8rem;
}

.chat .chat_header .chat_header_action .list_inline .list_item a {
    font-size: 16px;
    text-decoration: none !important;
    color: #000;
    outline: 0;
    background: #0abb87;
    border-color: #0abb87;
    display: inline-flex;
    padding: 10px 15px;
    line-height: 14px;
    text-align: center;
    border-radius: 0.25rem;
    transition: all .1s;
}

.chat .chat_header .chat_header_action .list_inline .list_item a:hover {
    color: #fff;
    box-shadow: 0 0 0 .3rem rgba(10, 187, 135, .4) !important;
}

.chat .chat_header .chat_header_action .list_inline .list_item a span {
    top: 0;
}

.chat .chat_body {
    flex: 1;
    margin: 20px 0;
    overflow: hidden;
    outline: none;
}

.chat .chat_body .messages {
    overflow: auto;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -moz-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
}

.chat .chat_body .messages::-webkit-scrollbar {
    width: 5px;
    display: block;
    cursor: pointer;
}

/* .chat .chat_body .messages:hover::-webkit-scrollbar {
    display: block;
    cursor: pointer;
} */

/*滚动条的滑轨背景颜色,可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果。*/
.chat .chat_body .messages::-webkit-scrollbar-track {
    display: none;
}

/* 滑块颜色 */
.chat .chat_body .messages::-webkit-scrollbar-thumb {
    background-color: rgba(177, 177, 177, .5);
    border-radius: 10px;
}

/*滚动条两端的按钮。可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果。*/
.chat .chat_body .messages::-webkit-scrollbar-button {
    display: none;
}

/* 横向滚动条和纵向滚动条相交处尖角的颜色 */
.chat .chat_body .messages::-webkit-scrollbar-corner {
    display: none;
}

.chat .chat_body .messages .messages_item {
    max-width: 75%;
    margin-bottom: 20px;
    animation: messages .5s;
}

@keyframes messages {
    0% {
        opacity: 0;
        transform: translate(-75%, 50%);
    }

    100% {
        opacity: 1;
        transform: translate(0, 0);
    }
}

.chat .chat_body .messages .messages_item .messages_content {
    background: #fff;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    padding: 10px 20px;
}

.chat .chat_body .messages .messages_item .messages_content a {
    outline: none;
    color: #212529;
    text-decoration: none;
}

.chat .chat_body .messages .messages_item .messages_content i {
    color: aqua;
}

.chat .chat_body .messages .messages_item .messages_action {
    color: #828282;
    margin-top: 5px;
    font-style: italic;
    font-size: 12px;
}

.chat .chat_body .messages .outgoing {
    margin-left: auto;
    max-width: 75%;
    margin-bottom: 20px;
    animation: outgoing .5s;
}

@keyframes outgoing {
    0% {
        opacity: 0;
        transform: translateY(50%);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.chat .chat_body .messages .outgoing .messages_content {
    background-color: #cdcdcd;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    padding: 10px 20px;
}

.chat .chat_body .messages .outgoing .messages_action {
    text-align: right;
    margin-right: 1px;
    color: #828282;
    margin-top: 5px;
    font-style: italic;
    font-size: 12px;
}

.chat .chat_footer {
    border-top: 2px solid #e1e1e1;
    padding-top: 20px;
}

.chat .chat_footer .form {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    padding: 10px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #fff;
}

.chat .chat_footer .form input {
    font-family: inherit;
    -moz-border-radius: 5px;
    border-radius: 5px;
    border: 0;
    outline: none;
    display: block;
    width: 100%;
    height: -webkit-calc(1.5em + 0.75rem + 2px);
    height: -moz-calc(1.5em + .75rem + 2px);
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-clip: padding-box;
    overflow: visible;
}

.chat .chat_footer .form .footer_btn {
    display: flex;
}

.chat .chat_footer .form .footer_btn button {
    background: #e6e6e6;
    border-color: #e6e6e6;
    margin-left: 0.5rem;
    border: 0;
    outline: none;
    height: 35px;
    width: 35px;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 0;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    transition: all .1s;
}

.chat .chat_footer .form .footer_btn button:hover {
    background: rgb(200, 200, 200);
}

.chat .chat_footer .form .footer_btn button:last-child {
    background: rgb(61, 177, 107);
    color: #fff;
}

.chat .chat_footer .form .footer_btn button:active {
    box-shadow: 0 0 0 .3rem rgb(200, 200, 200, .4) !important;
}

.chat .chat_footer .form .footer_btn button:last-child:active {
    box-shadow: 0 0 0 .3rem rgba(61, 177, 107, .4) !important;
}

.chat .chat_footer .form .footer_btn button:last-child:hover {
    background: rgb(31, 147, 77);
}

.conb,
.conc,
.cond,
.conf {
    display: none;
    background: #ebebeb;
}

.conb {
    flex-direction: column;
}


/* body {
    color: #dddddd;
    background: #1a2236;
}

.lets {
    background: #293145 !important;
}

.lets ul li a {
    color: #a6b0cf !important;
}

.lets ul .gree a {
    color: #7269ef !important;
}

.sidebar-group {
    background: #1a2236 !important;
}

.sidebar-group input {
    background: #293145 !important;
}

.form {
    background: #293145 !important;
}

.text_box_content {
    background: #293145 !important;
} */

/* .sidebar-group .list_group li{

} */
/* body {
    background-color: rgb(149, 196, 176) !important;
}

.lets {
    background-color: rgb(110, 168, 138) !important;
}

.sidebar-group form input {
    background-color: rgb(255, 255, 255) !important;
}

.sidebar-group .list_group li .ri h5 {
    font-weight: normal;
    color: rgb(116, 100, 226) !important;
}

.sidebar-group .list_group li .ri p {
    color: rgb(48 158 106) !important;
}

.chat .chat_header .chat_header_action .list_inline .list_item a {
    background: #71998e;
    border-color: #71998e;
}

.lets ul li a {
    color: rgb(255 255 255);
}

.lets ul .gree a {
    color: rgb(8, 255, 108) !important;
}

.lets ul li a:hover {
    color: rgb(8, 255, 108) !important;
}

.sidebar-group {
    background: rgb(195, 221, 210) !important;
} */